Air filter



The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application with color drawings will be provided by the United States Patent and Trademark Office upon request and payment of the necessary fee.

FIG. 1 is a perspective view showing the new design for an air filter.

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a side view thereof;

FIG. 6 is a perspective view showing the new design for an air filter;

FIG. 7 is an enlarged view of a portion of the air filter of FIG. 6;

FIG. 8 is a top view thereof; and,

FIG. 9 is an enlarged view of a portion of the air filter of FIG. 8.

The claimed area of the air filter of FIGS. 6-9 is illustrated with the color designation for the color yellow. The thicker dash-dot-dash broken lines define the boundaries of the claimed design on the surface(s) of the filter media, while the thinner dash-dash lines defining other boundaries relative to the edges of the media and the frame; these lines form no part of the claimed design.

The portions in the drawing views shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for an air filter, as shown and described. 